Plantronics P420 User Manual
Page 3

Contents
Plantronics P420 USB Speakerphone
1 Package contents and features ...................................
4
1.1 P420 USB speakerphone
........................................ 4
1.2 P420 USB speakerphone features
.......................... 4
2 Set-up ..........................................................................
5
2.1 Connecting USB speakerphone to PC
.................... 5
2.2 External speakers/headphones connection
............ 5
3 Using your P420 USB speakerphone ..........................
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Volume up, volume down, mute
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